The BBC engaged in a "significant breach" of media regulations by failing to disclose that the presenter of a programme about the Gaza conflict was the son of a Hamas official, as determined by UK media regulator Ofcom.
An probe by the broadcasting watchdog into the programme Gaza: How to Survive a Warzone has determined that the documentary was "substantially inaccurate".
The BBC's director general had already issued an apology, saying there had been "a major oversight in relation to factual correctness".
The regulator has ordered the corporation to air a evening statement about its decisions.
"As this represents a major infringement of our regulations, we are instructing the broadcaster to broadcast a message of our determinations against it on the BBC's second channel at nine o'clock in the evening, with a date to be finalised," the statement read.
The authority's announcement declared: "Our probe found that the programme's lack of disclosure that the voice's male guardian occupied a position in the Hamas-run authority was substantially inaccurate.
"This implied that the public did not have critical information which may have been extremely pertinent to their assessment of the narrator and the details he provided.
"Confidence is at the center of the bond between a media organization and its audience, especially for a state-funded media outlet such as the BBC.
"This failing had the possibility to damage the significantly high levels of confidence that the public would have put in a BBC factual programme about the Israel-Gaza war."
The documentary was pulled from the BBC's streaming service in last February after the boy's personal associations were revealed, and in the month of July an broadcaster's internal assessment determined it violated the corporation's editorial guidelines on truthfulness.
A corporation official commented: "The regulator's decision is in line with the results of Peter Johnston's review, that there was a major oversight in the programme in relation to the BBC's Editorial Guidelines on factual correctness, which aligns with regulation 2.2 of the regulator's media standards.
"We have apologised for this and we comply with the regulator's ruling in complete. We will comply with the penalty as soon as the date and language are confirmed."
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Brenda Garcia
Brenda Garcia
Brenda Garcia